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Recommended SNS Thumbnail Sizes for 2026

Re-Sizefy Tech Team

Introduction

Thumbnails are the first impression of your content. Matching platform specifications ensures your images aren't cropped or blurred.

Platform Specs

1. Web Sharing (Open Graph)

1200 x 630px (1.91:1)

2. YouTube

1280 x 720px (16:9)

3. Instagram

1080 x 1080 (Square) or 1080 x 1350 (Portrait)

4. Blog Posts

1000 x 1000px square is generally best for search previews.

Conclusion

Use presets in Re-Sizefy to quickly export all required sizes.

Need Image Resizing?

Re-Sizefy provides high-quality image compression and resizing while protecting your privacy with 100% client-side computation.

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